{{define "model2"}}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div>{{.}}</div>
{{template "content"}}
</body>
</html>
{{end}}
{{define "content"}}
    <a href="#">点我！</a>
{{end}}
